Solve the problem.Insert parentheses, if needed, so that the expression on the left is equal to the number on the right.8 - 16 ÷ 22 + 6 = 10
A. (8 - 16) ÷ 22 + 6
B. 8 - 16 ÷ (22 + 6)
C. (8 - 16) ÷ (22 + 6)
D. No parentheses needed
Answer: D
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Answer the question.A parcel delivery service lowered its prices and finds that it has delivered twice as many parcels this year as it did last year. To illustrate this fact, the manager draws a pictogram as shown below. Each cube depicts a parcel. The side length of the "parcel" on the right is twice the side length of the "parcel" on the left. ?
Why is this pictogram misleading? What visual impression is portrayed by the pictogram?
What will be an ideal response?
Solve the problem.Regrind, Inc. regrinds used typewriter platens. The cost per platen is $1.10. The cost (fixed cost plus variable cost) to regrind 100 platens is $500. Find the linear cost function to regrind platens. If reground platens sell for $10.70 each, how many must be reground and sold to break even?
A. C(x) = 1.10x + 390 break-even = 41 B. C(x) = 1.10x + 500 break-even = 53 C. C(x) = 1.10x + 390 break-even = 34 D. C(x) = 1.10x + 500 break-even = 43
Find the required value by setting up the general equation and then evaluating.Find y when x = 28 if y varies directly as x, and y = 12 when x = 16.
A. 21
B. 
C. 7
D. 28
Find all angles in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree.sin ? = 0.824
A. {
? = 55.5° + k360° or ? = 235.5° + k360°}
B. {
? = 55.5° + k360° or ? = 124.5° + k360°}
C. {
? = 34.5° + k360° or ? = 145.5° + k360°}
D. {
? = 34.5° + k360° or ? = 325.5° + k360°}